<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width">
    <title>淘宝网，淘我喜欢！</title>
    <link rel="icon" href="./taobao.ico">
    <style>/*样式*/</style>
</head>
<body>
    <form>
        <p>
            <label for="username">用户名</label>
            <input type="text" name="username" id="username" value="请输入用户名">
        </p>
        <p>
            <label for="password">密码</label>
            <input type="password" name="password" id="password" value="111111">
        </p>
        <p>
            <label for="man">男</label>
            <input type="radio" name="sex" id="man" value="1" checked>
            <label for="women">女</label>
            <input type="radio" name="sex" id="women" value="2">
        </p>
        
        <p>
            <label>汽车</label>
            <select name="cars">
                <option value="volvo"selected>Volvo</option>
                <option value="saab">Saab</option>
                <option value="fiat">Fiat</option>
                <option value="audi" >Audi</option>
            </select>
        </p>
        <p>
            <select name="cars">
                <optgroup label="大众">
                    <option value="volvo">Volvo</option>
                    <option value="saab">Saab</option>
                    <option value="fiat"selected>Fiat</option>
                    <option value="audi" >Audi</option>
                </optgroup>
                <optgroup label="别克">
                    <option value="volvo">Volvo</option>
                    <option value="saab">Saab</option>
                    <option value="fiat">Fiat</option>
                    <option value="audi" disabled>Audi</option>
                </optgroup>
            </select>
        </p>
        <p>
            <label for="basketball">篮球</label>
            <input type="checkbox" name="basketball" value="2" id="basketball" checked>
        
            <label for="football">足球</label>
            <input type="checkbox" name="football" value="1" id="football" >
       
            <label for="badminton">羽毛球</label>
            <input type="checkbox" name="badminton" value="3" id="badminton" checked>
        </p>
        <p>
            <textarea name="textarea"  cols="20" rows="5">请输入你的评论</textarea>
        </p>    
        <p>
            <input type="file" multiple>
        </p>
        <p>
            <input type="submit" value="Submit">
        </p>
    </form>
    <iframe src="https://www.baidu.com" frameborder="0" width="500" height="300"></iframe>
    <iframe src="../test/521zuoye.html" frameborder="0"></iframe>
    <iframe src="../test/521zuoye.html" frameborder="0" name="baidu" width="800" height="600"></iframe>
    <a href="https://www.baidu.com" target="baidu">百度一下</a>
    <a href="https://www.tmall.com" target="baidu">天猫</a>
    
</body>
</html>